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Purple = 1991 Ford Taurus
Blue = 2003 Toyota Matrix
Red = 1989 Honda Civic


drag mouse == move the camera perspective

L == toggle axes and labels
O == view Gas Cost vs. Date projection
P == view MPG vs. Date projection
+ == increase data point size
- == decrease data point size

Source code: CarsGasLife DataCircle DataNode GraphLine SuperText

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